Convertible child&#39;s mattress and doll



FIG. 1 is a front elevational view of a convertible child's mattress anddoll;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a left side elevational view thereof; and,

FIG. 5 is a right hand perspective view thereof.

The ornamental design for a convertible child's mattress and doll, asshown and described.